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Math Modules

Math Modules only accepts voltage or current inputs, depending on the model. They provide an optically isolated DC voltage or current output that is calculated from the mathematical function built in to the module.

Title	Image	Brand	Power Supply	Output	Input	Case Style	Approvals	Normally In Stock
APD44xx Series DC to DC Math Modules	$APD44xx Series DC to DC Math Modules$	Absolute Process Instruments	85-265 VAC, 50/60HZ or 60-300 VDC	0-1 V to ±10 VDC or 0-2 mA to 0-20 mA, 4-20 mA	0-50 mV to 0-10 VDC, ±25mV to ±10VDC, 0-1 mA to 0-20 mADC, ±0.5 to ±20 mA	DIN Rail	UL Listed - USA & Canada		Compare
APD44Hx and APD44Lx Series DC to DC High/Low Select Modules		Absolute Process Instruments	85-265 VAC, 60-300 VDC, 9-30 VDC, 10-32 VAC	0-1 V to ±10 VDC or 0-2 mA to 0-20 mA, 4-20 mA	0-50 mV to 0-10 VDC, ±25mV to ±10VDC, 0-1 mA to 0-20 mADC, ±0.5 to ±20 mA	DIN Rail	UL Listed - USA & Canada		Compare
API 4400 G Series DC to DC Math Modules	$API 4400 G Series DC to DC Math Modules$	Absolute Process Instruments	115 VAC, 230 VAC, 85-265 VAC or 60-300 VDC, 9-30 VDC	0-1 V to ±10 VDC or 0-1 mA to 4-20 mA	0-100 mV to 0-10 VDC or 0-1 mA to 0-20 mA	Surface	None		Compare